Home / 34,085,085.48-47,038,578.57-20,158,378.80

Finding the Fourth Proportional to 34,085,085.48, 47,038,578.57 and 20,158,378.80

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Solution

The fourth proportional to 34,085,085.48, 47,038,578.57 and 20,158,378.80 is: 27,819,249.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,085,085.48 : 47,038,578.57 = 20,158,378.80 : x
  2. Step 2: Convert to fraction form
    34,085,085.48/47,038,578.57 = 20,158,378.80/x
  3. Step 3: Cross multiply
    34,085,085.48x = 47,038,578.57 × 20,158,378.80
  4. Step 4: Simplify right side
    34,085,085.48x = 948,221,485,027,622.38
  5. Step 5: Solve for x
    x = 948,221,485,027,622.38/34,085,085.48
  6. Step 6: Final answer
    x = 27,819,249.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.